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(1/31)
Latest Nearshore Marine Forecast by KAPX
Issued 8/23/2026 2:05 PM America/New_York.
Valid through 8/23/2026 10:15 PM America/New_York.
fzus53 kapx 231805
nshapx
expires:202608240215;;235410
nearshore marine forecast
national weather service gaylord mi
205 pm edt sun aug 23 2026
for waters within five nautical miles of shore on lakes huron...
michigan and superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lhz345-240215-
straits of mackinac within 5 nm of mackinac bridge including
mackinac island-
205 pm edt sun aug 23 2026
...small craft advisory in effect through monday evening...
.through early evening...northwest wind 15 to 25 knots with gusts
to 30 knots. slight
chance of waterspouts. waves 2 to 4 feet.
.tonight...northwest wind 15 to 25 knots with gusts
to 30 knots. isolated showers.
waves 3 to 5 feet.
.monday...northwest wind 10 to 20 knots with gusts
to 25 knots. partly sunny. waves 2 to 4 feet.
.monday night...northwest wind 5 to 10 knots. mostly clear. waves
2 feet or less.
.tuesday...west wind 5 to 10 knots. sunny. waves 2 feet or less.
see the open lakes forecast for days 3 through 5.
$$
(2/31)
Latest Nearshore Marine Forecast by KAPX
Issued 8/23/2026 2:05 PM America/New_York.
Valid through 8/23/2026 10:15 PM America/New_York.
fzus53 kapx 231805
nshapx
expires:202608240215;;235414
nearshore marine forecast
national weather service gaylord mi
205 pm edt sun aug 23 2026
for waters within five nautical miles of shore on lakes huron...
michigan and superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lhz349-240215-
sturgeon pt to alabaster mi-
205 pm edt sun aug 23 2026
...small craft advisory in effect through monday afternoon...
.through early evening...northwest wind 15 to 25 knots with gusts
to 30 knots. chance of waterspouts. isolated showers. waves 3 to
5 feet.
.tonight...northwest wind 10 to 20 knots with gusts
to 30 knots. isolated showers. waves 2 to 4 feet.
.monday...northwest wind 10 to 20 knots with gusts
to 30 knots. mostly cloudy. waves 2 to 4 feet.
.monday night...northwest wind 10 to 15 knots. partly cloudy.
waves 2 to 3 feet.
.tuesday...south wind 5 to 10 knots. sunny. waves 2 feet or less.
see the open lakes forecast for days 3 through 5.
$$
(3/31)
Latest Nearshore Marine Forecast by KAPX
Issued 8/23/2026 2:05 PM America/New_York.
Valid through 8/23/2026 10:15 PM America/New_York.
fzus53 kapx 231805
nshapx
expires:202608240215;;235411
nearshore marine forecast
national weather service gaylord mi
205 pm edt sun aug 23 2026
for waters within five nautical miles of shore on lakes huron...
michigan and superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lhz346-240215-
st ignace to false detour channel-
205 pm edt sun aug 23 2026
...small craft advisory in effect through monday evening...
.through early evening...northwest wind 15 to 25 knots with gusts
to 30 knots. slight chance of waterspouts. isolated showers.
waves 2 to 4 feet.
.tonight...northwest wind 15 to 25 knots with gusts
to 30 knots. scattered showers. waves 2 to 4 feet.
.monday...northwest wind 10 to 20 knots. mostly cloudy. waves
2 to 3 feet.
.monday night...northwest wind 10 to 15 knots with gusts
to 25 knots. mostly clear. waves 2 feet or less.
.tuesday...west wind 5 to 10 knots. mostly sunny. waves 2 feet or
less.
see the open lakes forecast for days 3 through 5.
$$
(4/31)
Latest Nearshore Marine Forecast by KAPX
Issued 8/23/2026 2:05 PM America/New_York.
Valid through 8/23/2026 10:15 PM America/New_York.
fzus53 kapx 231805
nshapx
expires:202608240215;;235412
nearshore marine forecast
national weather service gaylord mi
205 pm edt sun aug 23 2026
for waters within five nautical miles of shore on lakes huron...
michigan and superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lhz347-240215-
5nm east of mackinac bridge to presque isle light mi including
bois blanc island-
205 pm edt sun aug 23 2026
...gale warning in effect through late tonight...
...small craft advisory in effect from late tonight through
monday evening...
.through early evening...northwest wind 15 to 25 knots with gusts
to around 35 knots. chance of waterspouts. isolated showers.
waves 5 to 8 feet. waves occasionally around 10 feet.
.tonight...northwest wind 15 to 25 knots with gusts to around
35 knots. scattered showers. waves 5 to 8 feet.
.monday...northwest wind 15 to 25 knots. mostly cloudy. waves
5 to 8 feet.
.monday night...northwest wind 15 to 20 knots with gusts
to 30 knots. partly cloudy. waves 3 to 5 feet.
.tuesday...northwest wind 5 to 10 knots. mostly sunny. waves
2 feet or less.
see the open lakes forecast for days 3 through 5.
$$
(5/31)
Latest Nearshore Marine Forecast by KAPX
Issued 8/23/2026 2:05 PM America/New_York.
Valid through 8/23/2026 10:15 PM America/New_York.
fzus53 kapx 231805
nshapx
expires:202608240215;;235413
nearshore marine forecast
national weather service gaylord mi
205 pm edt sun aug 23 2026
for waters within five nautical miles of shore on lakes huron...
michigan and superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lhz348-240215-
presque isle light to sturgeon pt mi including thunder bay
national marine sanctuary-
205 pm edt sun aug 23 2026
...gale warning in effect through late tonight...
...small craft advisory in effect from late tonight through
monday evening...
.through early evening...northwest wind 15 to 25 knots with gusts
to around 35 knots. chance of waterspouts. isolated showers.
waves 5 to 8 feet. waves occasionally around 10 feet.
.tonight...northwest wind 15 to 25 knots with gusts to around
35 knots. chance of waterspouts. numerous showers. waves 5 to
8 feet.
.monday...northwest wind 15 to 25 knots with gusts to 30 knots.
mostly cloudy. waves 5 to 8 feet.
.monday night...northwest wind 15 to 20 knots. partly cloudy.
waves 3 to 5 feet.
.tuesday...north wind 5 to 10 knots. sunny. waves 2 feet or less.
see the open lakes forecast for days 3 through 5.
$$
(6/31)
Latest Nearshore Marine Forecast by KAPX
Issued 8/23/2026 2:05 PM America/New_York.
Valid through 8/23/2026 10:15 PM America/New_York.
fzus53 kapx 231805
nshapx
expires:202608240215;;235406
nearshore marine forecast
national weather service gaylord mi
205 pm edt sun aug 23 2026
for waters within five nautical miles of shore on lakes huron...
michigan and superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lmz323-240215-
grand traverse bay south of a line grand traverse light to
norwood mi-
205 pm edt sun aug 23 2026
...small craft advisory in effect through monday evening...
.through early evening...northwest wind 15 to 25 knots with gusts
to 30 knots. slight
chance of waterspouts. isolated showers. waves 4 to 6 feet.
.tonight...northwest wind 10 to 20 knots with gusts
to 25 knots. partly cloudy. waves 4 to 6 feet.
.monday...northwest wind 10 to 20 knots with gusts
to 30 knots. mostly sunny. waves 3
to 5 feet.
.monday night...northwest wind 5 to 10 knots. mostly clear. waves
2 to 3 feet.
.tuesday...southwest wind 5 to 10 knots. sunny. waves 2 feet or
less.
see the open lakes forecast for days 3 through 5.
$$
(7/31)
Latest Nearshore Marine Forecast by KAPX
Issued 8/23/2026 2:05 PM America/New_York.
Valid through 8/23/2026 10:15 PM America/New_York.
fzus53 kapx 231805
nshapx
expires:202608240215;;235404
nearshore marine forecast
national weather service gaylord mi
205 pm edt sun aug 23 2026
for waters within five nautical miles of shore on lakes huron...
michigan and superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lmz341-240215-
seul choix point to 5nm west of mackinac bridge-
205 pm edt sun aug 23 2026
...small craft advisory in effect through monday evening...
.through early evening...northwest wind 15 to 25 knots with gusts
to 30 knots. slight
chance of waterspouts. waves 2 to 4 feet.
.tonight...northwest wind 15 to 25 knots with gusts
to 30 knots. mostly cloudy. waves
3 to 5 feet.
.monday...northwest wind 10 to 20 knots with gusts
to 30 knots. mostly sunny. waves 2
to 4 feet.
.monday night...northwest wind 5 to 10 knots. mostly clear. waves
2 feet or less.
.tuesday...southwest wind 5 to 10 knots. mostly sunny. waves
2 feet or less.
see the open lakes forecast for days 3 through 5.
$$
(8/31)
Latest Nearshore Marine Forecast by KAPX
Issued 8/23/2026 2:05 PM America/New_York.
Valid through 8/23/2026 10:15 PM America/New_York.
fzus53 kapx 231805
nshapx
expires:202608240215;;235405
nearshore marine forecast
national weather service gaylord mi
205 pm edt sun aug 23 2026
for waters within five nautical miles of shore on lakes huron...
michigan and superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lmz342-240215-
norwood mi to 5nm west of mackinac bridge including little
traverse bay-
205 pm edt sun aug 23 2026
...small craft advisory in effect through monday evening...
.through early evening...northwest wind 15 to 25 knots with gusts
to 30 knots. slight
chance of waterspouts. waves 4 to 6 feet.
.tonight...northwest wind 15 to 25 knots with gusts
to 30 knots. mostly cloudy. waves
4 to 6 feet.
.monday...northwest wind 10 to 20 knots with gusts
to 30 knots. partly sunny. waves 3
to 5 feet.
.monday night...northwest wind 10 to 15 knots. mostly clear.
waves 2 to 3 feet.
.tuesday...west wind 5 to 10 knots. sunny. waves 2 feet or less.
see the open lakes forecast for days 3 through 5.
$$
(9/31)
Latest Nearshore Marine Forecast by KAPX
Issued 8/23/2026 2:05 PM America/New_York.
Valid through 8/23/2026 10:15 PM America/New_York.
fzus53 kapx 231805
nshapx
expires:202608240215;;235408
nearshore marine forecast
national weather service gaylord mi
205 pm edt sun aug 23 2026
for waters within five nautical miles of shore on lakes huron...
michigan and superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lmz344-240215-
sleeping bear point to grand traverse light mi-
205 pm edt sun aug 23 2026
...small craft advisory in effect through monday evening...
.through early evening...northwest wind 15 to 25 knots with gusts
to 30 knots. slight
chance of waterspouts. isolated showers. waves 4 to 6 feet.
.tonight...northwest wind 15 to 25 knots with gusts
to 30 knots. partly cloudy. waves
4 to 6 feet.
.monday...northwest wind 10 to 20 knots with gusts
to 30 knots. mostly sunny. waves 3
to 5 feet.
.monday night...northwest wind 5 to 10 knots. mostly clear. waves
2 feet or less.
.tuesday...southwest wind 5 to 10 knots. mostly sunny. waves
2 feet or less.
see the open lakes forecast for days 3 through 5.
$$
(10/31)
Latest Nearshore Marine Forecast by KAPX
Issued 8/23/2026 2:05 PM America/New_York.
Valid through 8/23/2026 10:15 PM America/New_York.
fzus53 kapx 231805
nshapx
expires:202608240215;;235407
nearshore marine forecast
national weather service gaylord mi
205 pm edt sun aug 23 2026
for waters within five nautical miles of shore on lakes huron...
michigan and superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lmz345-240215-
point betsie to sleeping bear point mi-
205 pm edt sun aug 23 2026
...small craft advisory in effect until 1 am edt monday...
.through early evening...northwest wind 15 to 25 knots with gusts
to 30 knots. slight
chance of waterspouts. isolated showers. waves 3 to 5 feet.
.tonight...northwest wind 10 to 20 knots with gusts
to 30 knots. mostly clear. waves
3 to 5 feet.
.monday...northwest wind 10 to 15 knots. sunny. waves 2 to
4 feet.
.monday night...north wind 5 to 10 knots. mostly clear. waves
2 feet or less.
.tuesday...southwest wind 5 to 10 knots. sunny. waves 2 feet or
less.
see the open lakes forecast for days 3 through 5.
$$
(11/31)
Latest Nearshore Marine Forecast by KAPX
Issued 8/23/2026 2:05 PM America/New_York.
Valid through 8/23/2026 10:15 PM America/New_York.
fzus53 kapx 231805
nshapx
expires:202608240215;;235409
nearshore marine forecast
national weather service gaylord mi
205 pm edt sun aug 23 2026
for waters within five nautical miles of shore on lakes huron...
michigan and superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lmz346-240215-
manistee to point betsie mi-
205 pm edt sun aug 23 2026
...small craft advisory in effect until 1 am edt monday...
.through early evening...northwest wind 15 to 25 knots with gusts
to 30 knots. slight
chance of waterspouts. isolated showers. waves 3 to 5 feet.
.tonight...north wind 10 to 20 knots with gusts
to 25 knots. mostly clear. waves 3 to 5 feet.
.monday...northwest wind 10 to 15 knots. sunny. waves 2 to
4 feet.
.monday night...light winds. mostly clear. waves 2 feet or less.
.tuesday...southwest wind 5 to 10 knots. sunny. waves 2 feet or
less.
see the open lakes forecast for days 3 through 5.
$$
(12/31)
Latest Nearshore Marine Forecast by KAPX
Issued 8/23/2026 2:05 PM America/New_York.
Valid through 8/23/2026 10:15 PM America/New_York.
fzus53 kapx 231805
nshapx
expires:202608240215;;235402
nearshore marine forecast
national weather service gaylord mi
205 pm edt sun aug 23 2026
for waters within five nautical miles of shore on lakes huron...
michigan and superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz321-240215-
whitefish bay (u.s. portion)/whitefish point to point iroquois mi-
205 pm edt sun aug 23 2026
...small craft advisory in effect through monday afternoon...
.through early evening...northwest wind 15 to 25 knots with gusts
to 30 knots. isolated showers. waves 4 to 7 feet. waves
occasionally around 8 feet.
.tonight...northwest wind 15 to 25 knots with gusts
to 30 knots. isolated showers. waves 4 to 7 feet.
.monday...northwest wind 15 to 25 knots with gusts
to 30 knots. partly sunny. waves 4 to 6 feet.
.monday night...northwest wind 10 to 15 knots. mostly clear.
waves 2 to 3 feet.
.tuesday...light winds. mostly sunny. waves 2 feet or less.
see the open lakes forecast for days 3 through 5.
$$
(13/31)
Latest Nearshore Marine Forecast by KAPX
Issued 8/23/2026 2:05 PM America/New_York.
Valid through 8/23/2026 10:15 PM America/New_York.
fzus53 kapx 231805
nshapx
expires:202608240215;;235403
nearshore marine forecast
national weather service gaylord mi
205 pm edt sun aug 23 2026
for waters within five nautical miles of shore on lakes huron...
michigan and superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz322-240215-
st. marys river point iroquois to e. potagannissing bay-
205 pm edt sun aug 23 2026
...small craft advisory in effect through monday afternoon...
.through early evening...northwest wind 15 to 25 knots with gusts
to 30 knots. chance
of waterspouts. scattered showers.
.tonight...northwest wind 15 to 25 knots with gusts
to 30 knots. scattered showers.
.monday...northwest wind 10 to 20 knots with gusts
to 30 knots. mostly cloudy.
.monday night...northwest wind 10 to 15 knots. mostly clear.
.tuesday...light winds. mostly sunny.
see the open lakes forecast for days 3 through 5.
$$
(14/31)
Latest Nearshore Marine Forecast by KDLH
Issued 8/23/2026 3:11 PM US/Central.
Valid through 8/23/2026 11:00 PM US/Central.
fzus53 kdlh 232011
nshdlh
expires:202608240400;;242965
nearshore marine forecast
national weather service duluth mn
311 pm cdt sun aug 23 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz148-240400-
oak point to saxon harbor wi-
311 pm cdt sun aug 23 2026
.tonight...southeast wind 5 knots becoming southwest after
midnight. mostly clear. waves 1 foot or less.
.monday...west wind 5 knots early in the morning becoming
variable 10 knots or less, then becoming east 5 knots in the
afternoon. mostly sunny. waves 1 foot or less.
.monday night...east wind 5 knots becoming south after midnight.
partly cloudy. waves 1 foot or less.
.tuesday...south wind 5 to 10 knots. slight chance of rain
showers in the morning. rain showers likely and chance of
thunderstorms in the afternoon. waves 1 foot or less.
$$
(15/31)
Latest Nearshore Marine Forecast by KDLH
Issued 8/23/2026 3:11 PM US/Central.
Valid through 8/23/2026 11:00 PM US/Central.
fzus53 kdlh 232011
nshdlh
expires:202608240400;;242956
nearshore marine forecast
national weather service duluth mn
311 pm cdt sun aug 23 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz141-240400-
grand marais to taconite harbor mn-
311 pm cdt sun aug 23 2026
.tonight...southwest wind 5 knots becoming north after midnight.
partly cloudy. waves 1 foot or less.
.monday...north wind 5 knots early in the morning becoming
variable 10 knots or less, then becoming southwest 5 knots in the
afternoon. mostly sunny. waves 1 foot or less.
.monday night...variable winds 10 knots or less. mostly cloudy.
waves 1 foot or less.
.tuesday...northeast wind 5 knots becoming southeast in the late
morning and afternoon. chance of rain showers in the morning,
then rain showers likely and chance of thunderstorms in the
afternoon. waves 1 foot or less.
$$
(16/31)
Latest Nearshore Marine Forecast by KDLH
Issued 8/23/2026 3:11 PM US/Central.
Valid through 8/23/2026 11:00 PM US/Central.
fzus53 kdlh 232011
nshdlh
expires:202608240400;;242955
nearshore marine forecast
national weather service duluth mn
311 pm cdt sun aug 23 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz140-240400-
grand portage to grand marais mn-
311 pm cdt sun aug 23 2026
.tonight...southwest wind 5 to 10 knots becoming northwest late
in the night. mostly clear. waves 1 foot or less.
.monday...north wind 5 to 10 knots becoming southwest in the
afternoon. mostly sunny. waves 1 foot or less.
.monday night...southwest wind 5 to 10 knots. mostly cloudy.
waves 1 foot or less.
.tuesday...southeast wind 5 knots. slight chance of rain showers
in the morning, then rain showers likely and chance of
thunderstorms in the afternoon. waves 1 foot or less.
$$
(17/31)
Latest Nearshore Marine Forecast by KDTX
Issued 8/23/2026 3:39 PM America/New_York.
Valid through 8/23/2026 11:45 PM America/New_York.
fzus53 kdtx 231939
nshdtx
expires:202608240345;;241102
nearshore marine forecast for michigan
national weather service detroit/pontiac mi
339 pm edt sun aug 23 2026
for waters within five nautical miles of shore
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lhz441-240345-
port austin to harbor beach mi-
339 pm edt sun aug 23 2026
...small craft advisory in effect through monday afternoon...
.tonight...northwest winds 20 to 25 knots. gusts to 30 knots
early in the evening. partly cloudy with a chance of showers and
a slight chance of thunderstorms in the evening, then cloudy with
showers likely and a slight chance of thunderstorms after
midnight. waves 6 to 9 feet. waves occasionally around 12 feet.
.monday...northwest winds 20 to 25 knots with gusts to 30 knots
diminishing to 15 to 20 knots early in the afternoon. mostly
cloudy. a slight chance of showers early in the morning. waves
5 to 7 feet. waves occasionally around 10 feet.
.monday night...northwest winds 15 to 20 knots diminishing to
10 to 15 knots in the late evening and overnight. mostly cloudy
early in the evening becoming partly cloudy. waves 3 to 5 feet.
waves occasionally around 6 feet.
.tuesday...northwest winds 10 to 15 knots diminishing to 5 to
10 knots in the late morning and early afternoon, then veering to
the northeast early in the afternoon. mostly cloudy early in the
morning then clearing. waves 2 to 4 feet subsiding to 1 to 3 feet
in the late morning and afternoon.
see lake huron open lake forecast for days 3 through 5.
$$
(18/31)
Latest Nearshore Marine Forecast by KDTX
Issued 8/23/2026 3:39 PM America/New_York.
Valid through 8/23/2026 11:45 PM America/New_York.
fzus53 kdtx 231939
nshdtx
expires:202608240345;;241101
nearshore marine forecast for michigan
national weather service detroit/pontiac mi
339 pm edt sun aug 23 2026
for waters within five nautical miles of shore
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lhz421-240345-
outer saginaw bay sw of alabaster to port austin mi to inner
saginaw bay-
339 pm edt sun aug 23 2026
...small craft advisory in effect through monday afternoon...
.tonight...northwest winds 20 to 25 knots. gusts to 30 knots
early in the evening. partly cloudy in the evening becoming
cloudy. a slight chance of showers. waves 4 to 6 feet. waves
occasionally around 7 feet.
.monday...northwest winds 20 to 25 knots diminishing to 15 to
20 knots early in the afternoon. mostly cloudy with a slight
chance of showers early in the morning, then partly cloudy in the
late morning and afternoon. waves 4 to 6 feet. waves occasionally
around 8 feet.
.monday night...northwest winds 10 to 15 knots. mostly cloudy
early in the evening becoming partly cloudy. waves 3 to 5 feet
subsiding to 2 to 4 feet after midnight. waves occasionally
around 7 feet.
.tuesday...northwest winds 5 to 10 knots backing to the south
early in the afternoon. partly cloudy early in the morning then
clearing. waves 2 feet or less.
see lake huron open lake forecast for days 3 through 5.
$$
(19/31)
Latest Nearshore Marine Forecast by KDTX
Issued 8/23/2026 3:39 PM America/New_York.
Valid through 8/23/2026 11:45 PM America/New_York.
fzus53 kdtx 231939
nshdtx
expires:202608240345;;241100
nearshore marine forecast for michigan
national weather service detroit/pontiac mi
339 pm edt sun aug 23 2026
for waters within five nautical miles of shore
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lhz422-240345-
inner saginaw bay sw of point au gres to bay port mi-
339 pm edt sun aug 23 2026
...small craft advisory in effect through late tonight...
.tonight...northwest winds to 30 knots diminishing to 20 to
25 knots with gusts to 30 knots in the late evening and
overnight. mostly clear in the evening, then mostly cloudy with a
slight chance of showers after midnight. waves 2 to 4 feet.
.monday...west winds 20 to 25 knots becoming northwest 15 to
20 knots early in the afternoon. partly cloudy. waves 2 to 4 feet
subsiding to 1 to 3 feet early in the afternoon.
.monday night...northwest winds 15 to 20 knots diminishing to
10 to 15 knots in the late evening and overnight. partly cloudy.
waves 1 to 3 feet.
.tuesday...northwest winds 5 to 10 knots backing to the south
early in the afternoon. mostly sunny. waves 2 feet or less.
see lake huron open lake forecast for days 3 through 5.
$$
(20/31)
Latest Nearshore Marine Forecast by KDTX
Issued 8/23/2026 3:39 PM America/New_York.
Valid through 8/23/2026 11:45 PM America/New_York.
fzus53 kdtx 231939
nshdtx
expires:202608240345;;241103
nearshore marine forecast for michigan
national weather service detroit/pontiac mi
339 pm edt sun aug 23 2026
for waters within five nautical miles of shore
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lhz442-240345-
harbor beach to port sanilac mi-
339 pm edt sun aug 23 2026
...small craft advisory in effect through monday afternoon...
.tonight...northwest winds 15 to 20 knots. partly cloudy in the
evening becoming mostly cloudy. a chance of showers and a slight
chance of thunderstorms. waves 4 to 6 feet. waves occasionally
around 8 feet.
.monday...northwest winds 15 to 20 knots. gusts to 30 knots in
the late morning and early afternoon. mostly cloudy. a chance of
showers early in the morning. waves 3 to 5 feet. waves
occasionally around 7 feet.
.monday night...northwest winds 10 to 15 knots. partly cloudy.
waves 3 to 5 feet. waves occasionally around 7 feet.
.tuesday...northwest winds 5 to 10 knots veering to the northeast
early in the afternoon. partly cloudy early in the morning then
clearing. waves 1 to 3 feet.
see lake huron open lake forecast for days 3 through 5.
$$
(21/31)
Latest Nearshore Marine Forecast by KDTX
Issued 8/23/2026 3:39 PM America/New_York.
Valid through 8/23/2026 11:45 PM America/New_York.
fzus53 kdtx 231939
nshdtx
expires:202608240345;;241104
nearshore marine forecast for michigan
national weather service detroit/pontiac mi
339 pm edt sun aug 23 2026
for waters within five nautical miles of shore
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lhz443-240345-
port sanilac to port huron mi-
339 pm edt sun aug 23 2026
...small craft advisory in effect through monday afternoon...
.tonight...northwest winds 15 to 20 knots. partly cloudy with a
chance of showers and thunderstorms in the evening, then mostly
cloudy with a slight chance of showers after midnight. waves 2 to
4 feet.
.monday...west winds 15 to 20 knots. mostly cloudy. a slight
chance of showers early in the morning. waves 2 to 4 feet.
.monday night...northwest winds 10 to 15 knots diminishing to
5 to 10 knots in the late evening and early morning, then
increasing to 10 to 15 knots after midnight. mostly cloudy early
in the evening becoming mostly clear. waves 1 to 3 feet.
.tuesday...northwest winds 5 to 10 knots veering to the northeast
early in the afternoon. mostly sunny. waves 1 to 3 feet.
see lake huron open lake forecast for days 3 through 5.
$$
(22/31)
Latest Nearshore Marine Forecast by KGRB
Issued 8/23/2026 2:41 PM US/Central.
Valid through 8/23/2026 5:00 PM US/Central.
fzus53 kgrb 231941
nshgrb
expires:202608232200;;241176
nearshore marine forecast
national weather service green bay wi
241 pm cdt sun aug 23 2026
for waters within five nautical miles of shore on lake michigan
lmz541>543-232200-
rock island passage to sturgeon bay wi-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
241 pm cdt sun aug 23 2026
.this afternoon...n wind 15 to 25 kts. waves 1 to 3 ft. partly
cloudy.
.tonight...n wind 10 to 20 kts. waves 1 to 3 ft. clear.
.monday...nw wind 10 to 15 kts veering n 5 to 10 kts early in the
afternoon. waves 2 ft or less. mostly sunny.
.monday night...e wind 5 to 10 kts veering sw after midnight.
waves 2 ft or less. partly cloudy.
$$
(23/31)
Latest Nearshore Marine Forecast by KGRB
Issued 8/23/2026 2:41 PM US/Central.
Valid through 8/23/2026 5:00 PM US/Central.
fzus53 kgrb 231941
nshgrb
expires:202608232200;;241175
nearshore marine forecast
national weather service green bay wi
241 pm cdt sun aug 23 2026
for waters within five nautical miles of shore on lake michigan
lmz521-522-232200-
green bay south of line from cedar river to rock island passage
and north of a line from oconto wi to little sturgeon bay wi-
green bay south of line from oconto wi to little sturgeon bay wi-
241 pm cdt sun aug 23 2026
.this afternoon...n wind 15 to 25 kts decreasing to 10 to 15 kts
early in the afternoon. waves 2 to 4 ft. partly sunny.
.tonight...n wind 10 to 15 kts. waves 2 to 4 ft subsiding to 1 to
3 ft after midnight. clear.
.monday...nw wind 10 to 15 kts veering n 5 to 10 kts early in the
afternoon. waves 2 ft or less. sunny.
.monday night...e wind 5 to 10 kts veering se after midnight.
waves 2 ft or less. mostly clear.
$$
(24/31)
Latest Nearshore Marine Forecast by KGRR
Issued 8/23/2026 3:36 PM America/New_York.
Valid through 8/24/2026 4:00 AM America/New_York.
fzus53 kgrr 231936
nshgrr
expires:202608240800;;241021
nearshore marine forecast
national weather service grand rapids mi
336 pm edt sun aug 23 2026
for waters within five nautical miles of shore on lake michigan
lmz847-240800-
grand haven to whitehall mi-
336 pm edt sun aug 23 2026
...small craft advisory in effect until 11 pm edt this evening...
.through early evening...northwest winds to 30 knots. mostly sunny.
waves 5 to 7 feet.
.tonight...north winds 15 to 25 knots decreasing to 10 to 15 knots
in the late evening and overnight. mostly clear. waves 3 to 5 feet
subsiding to 2 to 4 feet in the late evening and overnight.
.monday...northwest winds 10 to 20 knots. sunny. waves 2 to 4 feet.
.monday night...northwest winds 10 to 20 knots veering north 5 to
10 knots in the late evening and early morning, then veering
northeast after midnight. partly cloudy. waves 2 to 4 feet subsiding
to 1 to 2 feet in the late evening and overnight.
.tuesday...east winds 5 to 10 knots veering southwest 10 to 15 knots
in the late morning and afternoon. sunny. waves around 1 foot.
.tuesday night...south winds 15 to 25 knots. partly cloudy. waves
1 to 3 feet building to 3 to 5 feet after midnight.
.wednesday...south winds 20 to 25 knots. partly sunny with a chance
of showers and thunderstorms. waves 4 to 6 feet.
.thursday...northwest winds 15 to 20 knots. sunny. waves 3 to
5 feet.
.friday...north winds 10 to 15 knots backing northwest early in the
afternoon. sunny. waves around 1 foot.
$$
(25/31)
Latest Nearshore Marine Forecast by KGRR
Issued 8/23/2026 3:36 PM America/New_York.
Valid through 8/24/2026 4:00 AM America/New_York.
fzus53 kgrr 231936
nshgrr
expires:202608240800;;241020
nearshore marine forecast
national weather service grand rapids mi
336 pm edt sun aug 23 2026
for waters within five nautical miles of shore on lake michigan
lmz848-240800-
whitehall to pentwater mi-
336 pm edt sun aug 23 2026
...small craft advisory in effect until 11 pm edt this evening...
.through early evening...northwest winds 20 to 25 knots. mostly
sunny. waves 4 to 6 feet.
.tonight...north winds 15 to 25 knots. mostly clear. waves 3 to
5 feet.
.monday...northwest winds 15 to 20 knots. sunny. waves 2 to 4 feet.
.monday night...north winds 5 to 15 knots veering northeast around
5 knots after midnight. partly cloudy. waves 1 to 3 feet.
.tuesday...southeast winds 5 to 10 knots veering southwest 10 to
15 knots in the late morning and afternoon. sunny. waves 1 to
2 feet.
.tuesday night...south winds 15 to 20 knots. partly cloudy. waves
2 to 4 feet building to 3 to 5 feet after midnight.
.wednesday...south winds 20 to 25 knots. rain showers likely and a
chance of thunderstorms. waves 5 to 7 feet.
.thursday...northwest winds 10 to 20 knots. sunny. waves 2 to
4 feet.
.friday...north winds 10 to 15 knots. sunny. waves around 1 foot.
$$
(26/31)
Latest Nearshore Marine Forecast by KGRR
Issued 8/23/2026 3:36 PM America/New_York.
Valid through 8/24/2026 4:00 AM America/New_York.
fzus53 kgrr 231936
nshgrr
expires:202608240800;;241019
nearshore marine forecast
national weather service grand rapids mi
336 pm edt sun aug 23 2026
for waters within five nautical miles of shore on lake michigan
lmz849-240800-
pentwater to manistee mi-
336 pm edt sun aug 23 2026
...small craft advisory in effect until 11 pm edt this evening...
.through early evening...northwest winds 20 to 25 knots. mostly
sunny. waves 4 to 6 feet.
.tonight...north winds 15 to 25 knots. mostly clear. waves 3 to
5 feet.
.monday...northwest winds 10 to 20 knots. sunny. waves 3 to 5 feet.
.monday night...north winds 5 to 15 knots veering east around
5 knots after midnight. partly cloudy. waves 1 to 3 feet.
.tuesday...southeast winds 5 to 10 knots veering southwest 10 to
20 knots in the late morning and afternoon. sunny. waves 1 to
2 feet.
.tuesday night...south winds 10 to 20 knots. partly cloudy. waves
2 to 4 feet building to 3 to 5 feet after midnight.
.wednesday...south winds to 30 knots. rain showers likely and a
chance of thunderstorms. waves 5 to 7 feet.
.thursday...northwest winds 10 to 20 knots. mostly sunny. waves 2 to
4 feet.
.friday...north winds 5 to 15 knots. sunny. waves around 1 foot.
$$
(27/31)
Latest Nearshore Marine Forecast by KMKX
Issued 8/23/2026 3:10 PM US/Central.
Valid through 8/24/2026 4:00 AM US/Central.
fzus53 kmkx 232010
nshmkx
expires:202608240900;;242890
nearshore marine forecast
national weather service milwaukee/sullivan wi
310 pm cdt sun aug 23 2026
for waters within five nautical miles of shore on lake michigan
lmz644-240900-
port washington to north point light wi-
310 pm cdt sun aug 23 2026
.through early evening...northwest wind 10 to 15 knots. partly
sunny. waves 1 to 2 feet.
.tonight...north wind 10 to 15 knots easing to 5 to 10 knots in
the late evening and early morning, then backing northwest early
in the morning. mostly clear. waves 1 to 2 feet.
.monday...northwest wind 10 to 15 knots becoming north 5 to
10 knots early in the afternoon, then veering northeast late in
the afternoon. sunny. waves 1 to 2 feet.
.monday night...southeast wind 5 to 10 knots veering southwest
late in the evening, then veering west after midnight becoming
west 5 to 10 knots early in the morning. mostly clear. waves
around 1 foot.
.tuesday...west wind 5 to 10 knots backing southwest late in the
morning, then becoming south 10 to 15 knots early in the
afternoon becoming south 10 to 15 knots with gusts to around
20 knots late in the afternoon. mostly sunny. waves around
1 foot.
$$
(28/31)
Latest Nearshore Marine Forecast by KMKX
Issued 8/23/2026 3:10 PM US/Central.
Valid through 8/24/2026 4:00 AM US/Central.
fzus53 kmkx 232010
nshmkx
expires:202608240900;;242889
nearshore marine forecast
national weather service milwaukee/sullivan wi
310 pm cdt sun aug 23 2026
for waters within five nautical miles of shore on lake michigan
lmz643-240900-
sheboygan to port washington wi-
310 pm cdt sun aug 23 2026
.through early evening...north wind 10 to 15 knots. partly sunny.
waves 1 to 2 feet.
.tonight...north wind 10 to 15 knots backing northwest early in
the morning. mostly clear. waves 1 to 2 feet.
.monday...northwest wind 10 to 15 knots becoming north 5 to
10 knots early in the afternoon, then veering northeast late in
the afternoon. sunny. waves around 1 foot.
.monday night...southeast wind 5 to 10 knots veering west early
in the morning. mostly clear. waves around 1 foot.
.tuesday...west wind 5 to 10 knots backing southwest late in the
morning, then becoming south 10 to 15 knots early in the
afternoon rising to 15 to 20 knots late in the afternoon. mostly
sunny. waves around 1 foot building to 2 to 4 feet late in the
afternoon.
$$
(29/31)
Latest Nearshore Marine Forecast by KMQT
Issued 8/23/2026 5:02 PM America/New_York.
Valid through 8/24/2026 4:00 AM America/New_York.
fzus53 kmqt 232102
nshmqt
expires:202608240800;;244314
nearshore marine forecast
national weather service marquette mi
501 pm edt sun aug 23 2026
for waters within five nautical miles of shore
waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.
lmz221-240800-
green bay north of line from cedar river mi to rock island
passage-
501 pm edt sun aug 23 2026
...small craft advisory in effect until 3 am edt monday...
.late this afternoon...north wind 15 to 20 knots. mostly sunny.
waves 2 to 3 feet.
.tonight...northwest wind 15 to 20 knots. clear. waves 2 to
3 feet.
.monday...northwest wind 10 to 20 knots veering north 10 to
15 knots late. sunny. waves subsiding to 1 to 2 feet.
.monday night...north wind less than 10 knots. partly cloudy.
waves 1 to 2 feet.
.tuesday...south wind less than 10 knots increasing to 10 to
15 knots in the afternoon. mostly sunny. waves building to 1 to
2 feet.
$$
(30/31)
Latest Nearshore Marine Forecast by KMQT
Issued 8/23/2026 5:02 PM America/New_York.
Valid through 8/24/2026 4:00 AM America/New_York.
fzus53 kmqt 232102
nshmqt
expires:202608240800;;244316
nearshore marine forecast
national weather service marquette mi
501 pm edt sun aug 23 2026
for waters within five nautical miles of shore
waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.
lmz248-240800-
seul choix point to point detour mi-
501 pm edt sun aug 23 2026
...small craft advisory in effect through monday morning...
.late this afternoon...northwest wind 15 to 20 knots with gusts
up to 27 knots. partly cloudy. waves 2 to 3 feet.
.tonight...northwest wind 15 to 20 knots. clear. waves subsiding
to 1 to 2 feet, then building to 2 to 3 feet.
.monday...northwest wind 10 to 20 knots. sunny. waves 1 to
2 feet.
.monday night...north wind less than 10 knots. mostly clear.
waves calm to 1 foot.
.tuesday...southwest wind less than 10 knots backing south 10 to
15 knots in the afternoon. mostly sunny. waves building to 1 to
2 feet.
$$
(31/31)
Latest Nearshore Marine Forecast by KMQT
Issued 8/23/2026 5:02 PM America/New_York.
Valid through 8/24/2026 4:00 AM America/New_York.
fzus53 kmqt 232102
nshmqt
expires:202608240800;;244315
nearshore marine forecast
national weather service marquette mi
501 pm edt sun aug 23 2026
for waters within five nautical miles of shore
waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.
lmz250-240800-
5nm east of a line from fairport mi to rock island passage-
501 pm edt sun aug 23 2026
...small craft advisory in effect until 3 am edt monday...
.late this afternoon...north wind 15 to 20 knots. mostly sunny.
waves 2 to 4 feet subsiding to 2 to 3 feet.
.tonight...northwest wind 15 to 20 knots. clear. waves 2 to
3 feet.
.monday...northwest wind 10 to 20 knots veering north 10 to
15 knots late. sunny. waves subsiding to 1 to 2 feet.
.monday night...north wind less than 10 knots. partly cloudy.
waves calm to 1 foot.
.tuesday...south wind less than 10 knots increasing to 10 to
15 knots in the afternoon. mostly sunny. waves building to 1 to
2 feet.
$$
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